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Official data from INPI

PROCESSO PARA A OXIDAÇÃO DE ÁCIDO 4-NITROTOLUENO-2-SULFÔNICO

PublicadaInvention Patent

Application data

Number

PI8901061

Type

Invention Patent

Filing

03/07/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/07/89
  2. Publication10/24/89
  3. Abandoned12/10/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

R. L. (pessoa física)

S. L. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

165.648 · 03/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 149/29.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

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